16020280

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2551}}^1$

素因数の和:2719

約数の個数: 32

約数和(自身を含む): 36289440

約数和(自身を除く): 20269160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 2551, 3140, 5102, 6280, 10204, 12755, 20408, 25510, 51020, 102040, 400507, 801014, 1602028, 2002535, 3204056, 4005070, 8010140, 16020280]

約数ペア:

[(1, 16020280), (2, 8010140), (4, 4005070), (5, 3204056), (8, 2002535), (10, 1602028), (20, 801014), (40, 400507), (157, 102040), (314, 51020), (628, 25510), (785, 20408), (1256, 12755), (1570, 10204), (2551, 6280), (3140, 5102)]